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All results from a given calculation for C4H4N2 (Succinonitrile)

using model chemistry: B1B95/6-31+G**

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2H 1Ag
Energy calculated at B1B95/6-31+G**
 hartrees
Energy at 0K-264.204536
Energy at 298.15K-264.208398
Nuclear repulsion energy179.066346
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at B1B95/6-31+G**
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Ag 3091 2957 0.00      
2 Ag 2386 2282 0.00      
3 Ag 1467 1403 0.00      
4 Ag 1383 1323 0.00      
5 Ag 1044 998 0.00      
6 Ag 977 934 0.00      
7 Ag 516 493 0.00      
8 Ag 220 210 0.00      
9 Au 3155 3018 0.00      
10 Au 1205 1153 0.01      
11 Au 767 733 3.23      
12 Au 403 385 0.00      
13 Au 78 74 22.60      
14 Bg 3137 3001 0.00      
15 Bg 1311 1254 0.00      
16 Bg 1028 983 0.00      
17 Bg 363 348 0.00      
18 Bu 3100 2965 1.64      
19 Bu 2387 2283 14.83      
20 Bu 1472 1409 17.53      
21 Bu 1284 1228 1.69      
22 Bu 950 909 4.47      
23 Bu 525 502 2.11      
24 Bu 128 122 23.41      

Unscaled Zero Point Vibrational Energy (zpe) 16186.7 cm-1
Scaled (by 0.9566) Zero Point Vibrational Energy (zpe) 15484.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at B1B95/6-31+G**
ABC
0.85907 0.04949 0.04762

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31+G**

Point Group is C2h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.423 0.644 0.000
C2 -0.423 -0.644 0.000
C3 -0.423 1.831 0.000
C4 0.423 -1.831 0.000
N5 1.110 -2.765 0.000
N6 -1.110 2.765 0.000
H7 1.070 0.671 0.880
H8 1.070 0.671 -0.880
H9 -1.070 -0.671 0.880
H10 -1.070 -0.671 -0.880

Atom - Atom Distances (Å)
  C1 C2 C3 C4 N5 N6 H7 H8 H9 H10
C11.54041.45822.47473.47662.61691.09281.09282.17562.1756
C21.54042.47471.45822.61693.47662.17562.17561.09281.0928
C31.45822.47473.75884.84461.15882.08572.08572.73052.7305
C42.47471.45823.75881.15884.84462.73052.73052.08572.0857
N53.47662.61694.84461.15885.95803.54703.54703.14783.1478
N62.61693.47661.15884.84465.95803.14783.14783.54703.5470
H71.09282.17562.08572.73053.54703.14781.76052.52653.0794
H81.09282.17562.08572.73053.54703.14781.76053.07942.5265
H92.17561.09282.73052.08573.14783.54702.52653.07941.7605
H102.17561.09282.73052.08573.14783.54703.07942.52651.7605

picture of Succinonitrile state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C4 111.208 C1 C2 H9 110.268
C1 C2 H10 110.268 C1 C3 N6 179.131
C2 C1 C3 111.208 C2 C1 H7 110.268
C2 C1 H8 110.268 C2 C4 N5 179.131
C3 C1 H7 108.841 C3 C1 H8 108.841
C4 C2 H9 108.841 C4 C2 H10 108.841
H7 C1 H8 107.312 H9 C2 H10 107.312
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31+G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.108      
2 C -0.108      
3 C 0.116      
4 C 0.116      
5 N -0.458      
6 N -0.458      
7 H 0.226      
8 H 0.226      
9 H 0.226      
10 H 0.226      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -37.600 11.805 0.000
y 11.805 -56.752 0.000
z 0.000 0.000 -33.124
Traceless
 xyz
x 7.338 11.805 0.000
y 11.805 -21.390 0.000
z 0.000 0.000 14.052
Polar
3z2-r228.104
x2-y219.152
xy11.805
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.255 -2.505 0.000
y -2.505 10.318 0.000
z 0.000 0.000 5.439


<r2> (average value of r2) Å2
<r2> 209.768
(<r2>)1/2 14.483